22001131223 has 2 divisors, whose sum is σ = 22001131224. Its totient is φ = 22001131222.

The previous prime is 22001131219. The next prime is 22001131249. The reversal of 22001131223 is 32213110022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001131223 - 2² = 22001131219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001134223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000565611 + 11000565612.

It is an arithmetic number, because the mean of its divisors is an integer number (11000565612).

Almost surely, 2^22001131223 is an apocalyptic number.

22001131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001131223 is an equidigital number, since it uses as much as digits as its factorization.

22001131223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22001131223 its reverse (32213110022), we get a palindrome (54214241245).

The spelling of 22001131223 in words is "twenty-two billion, one million, one hundred thirty-one thousand, two hundred twenty-three".